Home / 35,068.37-48,397.83-20,921.21

Finding the Fourth Proportional to 35,068.37, 48,397.83 and 20,921.21

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Solution

The fourth proportional to 35,068.37, 48,397.83 and 20,921.21 is: 28,873.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,068.37 : 48,397.83 = 20,921.21 : x
  2. Step 2: Convert to fraction form
    35,068.37/48,397.83 = 20,921.21/x
  3. Step 3: Cross multiply
    35,068.37x = 48,397.83 × 20,921.21
  4. Step 4: Simplify right side
    35,068.37x = 1,012,541,164.97
  5. Step 5: Solve for x
    x = 1,012,541,164.97/35,068.37
  6. Step 6: Final answer
    x = 28,873.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.